2.4.0.80046 - Disclosure - Acquired Lease Intangibles (Details 1)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$From2013-04-01to2013-06-30_custom_BelowMarketLeases1Member_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2013-04-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$From2012-04-01to2012-06-30_custom_BelowMarketLeases1Member_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2012-04-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$From2013-01-01to2013-06-30_custom_BelowMarketLeases1Member_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$From2012-01-01to2012-06-30_custom_BelowMarketLeases1Member_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse1false USDtruefalse$From2013-04-01to2013-06-30_us-gaap_LeasesAcquiredInPlaceMemberhttp://www.sec.gov/CIK0001397807duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseLeases Acquired In Placeus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LeasesAcquiredInPlaceMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Leases Acquired In Place2true 3reit_AcquiredLeaseIntangiblesLineItemsreit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0AcquiredLeaseIntangiblesLineItems [Line Items]3false 4us-gaap_AmortizationOfIntangibleAssetsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse939000939USD$falsetruefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2Amortization4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse2false USDtruefalse$From2012-04-01to2012-06-30_us-gaap_LeasesAcquiredInPlaceMember_custom_AmortizationExpenseMemberhttp://www.sec.gov/CIK0001397807duration2012-04-01T00:00:002012-06-30T00:00:00falsefalseLeases Acquired In Placeus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LeasesAcquiredInPlaceMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseAmortization Expenseus-gaap_IncomeStatementLocationAxisxbrldihttp://xbrl.org/2006/xbrldireit_AmortizationExpenseMemberus-gaap_IncomeStatementLocationAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Leases Acquired In Place | Amortization Expense5true 3reit_AcquiredLeaseIntangiblesLineItemsreit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0AcquiredLeaseIntangiblesLineItems [Line Items]6false 4us-gaap_AmortizationOfIntangibleAssetsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2truefalsefalse674000674USD$falsefalsefalse3truefalsefalse21490002149USD$falsefalsefalse4truefalsefalse988000988USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2Amortization7false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5false USDtruefalse$From2013-04-01to2013-06-30_custom_BelowMarketLeases1Member_custom_PropertyExpenseMemberhttp://www.sec.gov/CIK0001397807duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseBelow Market Leasesus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldireit_BelowMarketLeases1Memberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseProperty Expenseus-gaap_IncomeStatementLocationAxisxbrldihttp://xbrl.org/2006/xbrldireit_PropertyExpenseMemberus-gaap_IncomeStatementLocationAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Below Market Leases | Property Expense8true 3reit_AcquiredLeaseIntangiblesLineItemsreit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0AcquiredLeaseIntangiblesLineItems [Line Items]9false 4us-gaap_AmortizationOfIntangibleAssetsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse3000030USD$falsefalsefalse2falsefalsefalse00  USD$falsefalsefalse3truefalsefalse7000070USD$falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2Amortization10false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse8false USDtruefalse$From2013-04-01to2013-06-30_custom_BelowMarketLeases1Member_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseBelow Market Leasesus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldireit_BelowMarketLeases1Memberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseRental Incomeus-gaap_IncomeStatementLocationAxisxbrldihttp://xbrl.org/2006/xbrldireit_RentalIncomeMemberus-gaap_IncomeStatementLocationAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Below Market Leases | Rental Income11true 3reit_AcquiredLeaseIntangiblesLineItemsreit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0AcquiredLeaseIntangiblesLineItems [Line Items]12false 4us-gaap_AmortizationOfIntangibleAssetsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse180000180USD$falsefalsefalse2truefalsefalse6700067USD$falsefalsefalse3truefalsefalse427000427USD$falsefalsefalse4truefalsefalse128000128USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2Amortization13false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse12false USDtruefalse$From2013-04-01to2013-06-30_us-gaap_AboveMarketLeasesMember_custom_RentalIncomeMemberhttp://www.sec.gov/CIK0001397807duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseAbove Market Leasesus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AboveMarketLeasesMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseRental Incomeus-gaap_IncomeStatementLocationAxisxbrldihttp://xbrl.org/2006/xbrldireit_RentalIncomeMemberus-gaap_IncomeStatementLocationAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Above Market Leases | Rental Income14true 3reit_AcquiredLeaseIntangiblesLineItemsreit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0AcquiredLeaseIntangiblesLineItems [Line Items]15false 4us-gaap_AmortizationOfIntangibleAssetsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse7200072USD$falsetruefalse2truefalsefalse4900049USD$falsetruefalse3truefalsefalse210000210USD$falsetruefalse4truefalsefalse6000060USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2AmortizationfalseAcquired Lease Intangibles (Details 1) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://amreitinc.com/role/DisclosureAcquiredLeaseIntangiblesScheduleOfAcquiredLeaseIntangibleAmortizationDetailsDetails415